Home / 19,291.86-28,939.50-7,602.30

Finding the Fourth Proportional to 19,291.86, 28,939.50 and 7,602.30

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Solution

The fourth proportional to 19,291.86, 28,939.50 and 7,602.30 is: 11,404.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,291.86 : 28,939.50 = 7,602.30 : x
  2. Step 2: Convert to fraction form
    19,291.86/28,939.50 = 7,602.30/x
  3. Step 3: Cross multiply
    19,291.86x = 28,939.50 × 7,602.30
  4. Step 4: Simplify right side
    19,291.86x = 220,006,760.85
  5. Step 5: Solve for x
    x = 220,006,760.85/19,291.86
  6. Step 6: Final answer
    x = 11,404.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.